On July 31, 1975, James Riddle Hoffa, one of the most influential American labor leaders of the 20th century, disappears in Detroit, Michigan, never to be heard from again. Though he is popularly believed to have been the victim of a Mafia hit, concl...usive evidence was never found, and Hoffa's death remains shrouded in mystery to this day. (1:00)[more]

Following its ratification by the necessary three-quarters of U.S. states, the 14th Amendment, guaranteeing to African Americans citizenship and all its privileges, is officially adopted into the U.S. Constitution. (1:00)

At 10:56 p.m. EDT, American astronaut Neil Armstrong, 240,000 miles from Earth, speaks these words to more than a billion people listening at home: "That's one small step for man, one giant leap for mankind." Stepping off the lunar landing module Eag...le, Armstrong became the first human to walk on the surface of the moon. (1:00)[more]

Parisian revolutionaries and mutinous troops storm and dismantle the Bastille, a royal fortress that had come to symbolize the tyranny of the Bourbon monarchs. This dramatic action signaled the beginning of the French Revolution, a decade of politica...l turmoil and terror in which King Louis XVI was overthrown and tens of thousands of people, including the king and his wife Marie Antoinette, were executed. (1:00)[more]

In a duel held in Weehawken, New Jersey, Vice President Aaron Burr fatally shoots his long-time political antagonist Alexander Hamilton. Hamilton, a leading Federalist and the chief architect of America's political economy, died the following day. (1...:00)[more]

At midnight on July 1, 1997, Hong Kong reverts back to Chinese rule in a ceremony attended by British Prime Minister Tony Blair, Prince Charles of Wales, Chinese President Jiang Zemin, and U.S. Secretary of State Madeleine Albright. A few thousand Ho...ng Kongers protested the turnover, which was otherwise celebratory and peaceful. (1:00)[more]

Walter Mondale, the leading Democratic presidential candidate, announces that he has chosen Representative Geraldine Ferraro of New York as his running mate. Ferraro, a daughter of Italian immigrants, had previously gained notoriety as a vocal advoca...te of women's rights in Congress. (1:00)[more]

During a live television and radio broadcast, President Richard Nixon stuns the nation by announcing that he will visit communist China the following year. The statement marked a dramatic turning point in U.S.-China relations, as well as a major shif...t in American foreign policy. (1:00)[more]

In the first major land battle of the Civil War, a large Union force under General Irvin McDowell is routed by a Confederate army under General Pierre G.T. Beauregard. Also on this day in 1969, Neil Armstrong and Buzz Aldrin returned to earth after ...the legendary walk on the moon. (1:00)[more]

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